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Enhanced reversible lithium storage in a nano-Si/MWCNT free-standing paper electrode prepared by a simple filtration and post sintering process
Yue, Lu1,2; Zhong, Haoxiang1; Zhang, Lingzhi1
2012-08-01
Source PublicationELECTROCHIMICA ACTA
Volume76Pages:326-332
Abstract

Nano-Si/(multi-wall carbon nanotube) (Si/MWCNT) composite paper was prepared as flexible electrode for lithium ion batteries by a simple filtration method using sodium carboxymethyl cellulose (CMC) as a dispersing/binding agent, followed by a thermal sintering process. Scanning electron microscopy (SEM) showed that nanosized Si particles were dispersed homogeneously and intertwined by the MWCNT throughout the whole paper electrode. After thermal sintering, Si/MWCNT paper electrode exhibited a significantly improved flexibility with a high Si content of 35.6 wt% as compared with before sintering, and retained a specific capacity of 942 mAh g(-1) after 30 cycles with a capacity fade of 0.46%/cycle. (C) 2012 Elsevier Ltd. All rights reserved.

SubtypeArticle
KeywordNano-si Multi-wall Carbon Nanotube Sodium Carboxymethyl Cellulose Free-standing Electrode Lithium-ion Battery
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.electacta.2012.05.038
WOS Subject ExtendedElectrochemistry
WOS KeywordWALLED CARBON NANOTUBES ; ION BATTERIES ; LI-ION ; AQUEOUS-MEDIA ; SILICON ; CAPACITY ; ANODES ; INSERTION
Indexed BySCI
Language英语
WOS SubjectElectrochemistry
WOS IDWOS:000306621200043
Citation statistics
Cited Times:51[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10151
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Yue, Lu,Zhong, Haoxiang,Zhang, Lingzhi. Enhanced reversible lithium storage in a nano-Si/MWCNT free-standing paper electrode prepared by a simple filtration and post sintering process[J]. ELECTROCHIMICA ACTA,2012,76:326-332.
APA Yue, Lu,Zhong, Haoxiang,&Zhang, Lingzhi.(2012).Enhanced reversible lithium storage in a nano-Si/MWCNT free-standing paper electrode prepared by a simple filtration and post sintering process.ELECTROCHIMICA ACTA,76,326-332.
MLA Yue, Lu,et al."Enhanced reversible lithium storage in a nano-Si/MWCNT free-standing paper electrode prepared by a simple filtration and post sintering process".ELECTROCHIMICA ACTA 76(2012):326-332.
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